DIAGNOSTIC MANUAL MAN-00201
QUANTO
EMS
SEP 2012/Rev 1
The repair methods given by the manufacturer in this document are based on the technical specifications, current at the time of release. The methods may be modified as a result of changes introduced by the
manufacturer in the production of the various component units and accessories from which the vehicles are manufactured. The reproduction, translation, transmission, in part of or whole of the present document,
are prohibited without the prior written consent of Mahindra & Mahindra Ltd. The use of this document by any person other than the trained personnel, at the Authorized Service Centre of Mahindra & Mahindra Ltd.,
will amount to unauthorized use and shall be liable for penalty/prosecution
© 2012 Mahindra & Mahindra Ltd.
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P1630
ECU EEPROM ERROR
EEPROM MONITORING
EEPROM (Electrically Erasable Programmable Read Only Memory) is a storage device inside the EMS ECU.
EEPROM can be flashed , read and written
DTC INFORMATION
PROBABLE CAUSES OF FAILURE
NORMAL OPERATION
Ignition ON
EEPROM can be flashed, read & written
DTC DETECTING CONDITIONS
Ignition ON
EMS ECU supply voltage 8-16V
The block cannot be written more than 3 times from the
EEPROM
DTC REACTIONS
Engine check lamp continuously ON.
EMS ECU Switches OFF
HEALING CONDITION
Ignition Off/On
Malfunctioning EMS ECU
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